APA (7th ed.) Citation

National Assessment of Educational Progress (Project) & National Center for Education Statistics. (1979). Three assessments of science, 1969-1977: Technical summary. National Center for Education Statistics.

Chicago Style (17th ed.) Citation

National Assessment of Educational Progress (Project) and National Center for Education Statistics. Three Assessments of Science, 1969-1977: Technical Summary. Denver: National Center for Education Statistics, 1979.

MLA (9th ed.) Citation

National Assessment of Educational Progress (Project) and National Center for Education Statistics. Three Assessments of Science, 1969-1977: Technical Summary. National Center for Education Statistics, 1979.